Search a number
-
+
89377943 = 161355411
BaseRepresentation
bin1010101001111…
…00110010010111
320020011212111012
411110330302113
5140340043233
612511402435
72133462044
oct524746227
9206155435
1089377943
11464a6a76
1225b2341b
1315694a75
14bc281cb
157ca7548
hex553cc97

89377943 has 4 divisors (see below), whose sum is σ = 89434968. Its totient is φ = 89320920.

The previous prime is 89377927. The next prime is 89377949. The reversal of 89377943 is 34977398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89377943 - 24 = 89377927 is a prime.

It is a super-2 number, since 2×893779432 = 15976833389822498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89377891 and 89377900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89377949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26093 + ... + 29318.

It is an arithmetic number, because the mean of its divisors is an integer number (22358742).

Almost surely, 289377943 is an apocalyptic number.

89377943 is a deficient number, since it is larger than the sum of its proper divisors (57025).

89377943 is a wasteful number, since it uses less digits than its factorization.

89377943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57024.

The product of its digits is 1143072, while the sum is 50.

The square root of 89377943 is about 9453.9908504293. The cubic root of 89377943 is about 447.1056092606.

The spelling of 89377943 in words is "eighty-nine million, three hundred seventy-seven thousand, nine hundred forty-three".

Divisors: 1 1613 55411 89377943